/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package mx.itschapala.dsw2.listener;

import javax.faces.application.NavigationHandler;
import javax.faces.component.UIViewRoot;
import javax.faces.context.FacesContext;
import javax.faces.event.PhaseEvent;
import javax.faces.event.PhaseId;
import javax.faces.event.PhaseListener;
import javax.servlet.http.HttpSession;

/**
 *
 * @author manuel
 */
public class ValidadorSecion implements PhaseListener{

    @Override
    public void afterPhase(PhaseEvent event) {
        FacesContext fc= event.getFacesContext();
        UIViewRoot viewRoot =fc.getViewRoot();
        if(viewRoot != null && !viewRoot.getViewId().equalsIgnoreCase("/paginaLogin.xhtml")){
        HttpSession session= (HttpSession)fc.getExternalContext().getSession(false);
        if(session == null || session.getAttribute("USUARIO_LOGUEADO")==null){
        NavigationHandler nh=fc.getApplication().getNavigationHandler();
        nh.handleNavigation(fc, null, "pagina2");
        fc.renderResponse();
        }
        }
    }

    @Override
    public void beforePhase(PhaseEvent event) {
    }

    @Override
    public PhaseId getPhaseId() {
   return PhaseId.RESTORE_VIEW;
    }
    
}
